$(document).ready(function () {
    var rotationMultiplier = 3.6;
    $(".js__circle").each(function () {
        // Save all of its classes in an array.
        var classList = $(this).attr('class').split(/\s+/);
        // Iterate over the array
        for (var i = 0; i < classList.length; i++) {
            if (classList[i].match("^p")) {
                var rotationPercentage = classList[i].substring(1, classList[i].length);
                var rotationDegrees = rotationMultiplier * rotationPercentage;
                $('.c100.p' + rotationPercentage + ' .bar').css({
                    '-webkit-transform': 'rotate(' + rotationDegrees + 'deg)',
                    '-moz-transform': 'rotate(' + rotationDegrees + 'deg)',
                    '-ms-transform': 'rotate(' + rotationDegrees + 'deg)',
                    '-o-transform': 'rotate(' + rotationDegrees + 'deg)',
                    'transform': 'rotate(' + rotationDegrees + 'deg)'
                });
            }
        }
    });
});